CLI Magic: For Geek Cred, Try These One-liners
Jul 23, 2008, 22:45 (0 Talkback[s])
"The sorted list is passed to cut, where the d option indicates
the field's delimiter character. cut breaks into pieces each line,
and the first field f1 is the one that you need to display. That's
better; it shows only usernames now. But you may not want to see
all the system usernames, like apache, bin, and lp. If you just
want human users, try this:"